/*
 * Copyright 2013-2020 Automatak, LLC
 *
 * Licensed to Green Energy Corp (www.greenenergycorp.com) and Automatak
 * LLC (www.automatak.com) under one or more contributor license agreements.
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership. Green Energy Corp and Automatak LLC license
 * this file to you under the Apache License, Version 2.0 (the "License"); you
 * may not use this file except in compliance with the License. You may obtain
 * a copy of the License at:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef OPENDNP3_GLOBALREF_H
#define OPENDNP3_GLOBALREF_H

#include "JNI.h"

#include <jni.h>

// RAII class for JNI global refs
template<class T> class GlobalRef
{
    jobject ref = nullptr;

public:
    GlobalRef(T ref) : ref(JNI::CreateGlobalRef(ref.value)) {}

    GlobalRef(const GlobalRef&) = delete;

    GlobalRef(GlobalRef&& other)
    {
        this->ref = other.ref;
        other.ref = nullptr;
    }

    ~GlobalRef()
    {
        if (ref)
        {
            JNI::DeleteGlobalRef(ref);
        }
    }

    T get() const
    {
        return T(ref);
    }

    operator T() const
    {
        return T(ref);
    }
};

#endif
